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-rw-r--r--slirp/tcp_input.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/slirp/tcp_input.c b/slirp/tcp_input.c
index 09bdf9b482..6af63469da 100644
--- a/slirp/tcp_input.c
+++ b/slirp/tcp_input.c
@@ -481,7 +481,7 @@ findso:
 	 * Reset idle time and keep-alive timer.
 	 */
 	tp->t_idle = 0;
-	if (SO_OPTIONS)
+	if (slirp_do_keepalive)
 	   tp->t_timer[TCPT_KEEP] = TCPTV_KEEPINTVL;
 	else
 	   tp->t_timer[TCPT_KEEP] = TCPTV_KEEP_IDLE;